The Natuna Island surili (''Presbytis natunae'') is a species of

primate Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians (monkeys and apes, the latter including huma ...

in the family

Cercopithecidae Old World monkey is the common English name for a family of primates known taxonomically as the Cercopithecidae (). Twenty-four genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons ...

Details

The species is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

n island of

Natuna Besar Great Natuna Island (''Pulau Natuna Besar'' in Indonesian language, Indonesian) or just Natuna is the main island of the Natuna Islands, Middle Natuna Archipelago, which is part of the Riau Islands Province, Indonesia. It is also called Great Bung ...

. It was separated from '' P. siamensis'' by Groves in 2001. A study published in 2003Martjan Lammertink, Vincent Nijman, Utami Setiorini: ''Population size, Red List status and conservation of the Natuna leaf monkey ''Presbytis natunae'' endemic to the island of Bunguran, Indonesia.'' In: ''Oryx.'' 37, 2003, , pp. 472–479
Abstract
estimates the population to be less than 10,000 as of 2002, the main threat being heavy logging since 1980.

References

Natuna Island surili The Natuna Island surili (''Presbytis natunae'') is a species of primate in the family Cercopithecidae. Details The species is endemic to the Indonesian island of Natuna Besar. It was separated from ''white-thighed surili, P. siamensis'' by Co ...

Primates of Indonesia Endemic fauna of Indonesia Vulnerable fauna of Asia

Taxa named by Oldfield Thomas Taxa named by Ernst Hartert {{oldworld-monkey-stub